Update TensorFlow 2.16.2 script

[rushi-sathe]

Checklist

• Have you checked and followed all the points mention in the CONTRIBUTING.MD
• Have you validated script on UBI 9 container
• Did you run the script(s) on fresh container with set -e option enabled and observe success ?
• Did you have Legal approvals for patch files ?

[cdeepali]

This PR build passed with large runner - https://github.com/ppc64le/build-scripts/actions/runs/22858125387.

[cdeepali]

@rushi-sathe pls check this error -

2026-03-09T18:15:41.2694892Z �[32mINFO: �[0mElapsed time: 6381.767s, Critical Path: 405.80s
2026-03-09T18:15:41.2696409Z �[32mINFO: �[0m13221 processes: 137 internal, 13084 local.
2026-03-09T18:15:41.2697936Z �[32mINFO:�[0m Build completed successfully, 13221 total actions
2026-03-09T18:15:41.2699709Z �[31m�[1mERROR: �[0mNo test targets were found, yet testing was requested
2026-03-09T18:15:41.2701101Z �[0m'
2026-03-09T18:15:41.2702139Z + echo ------------------tensorflow:no_test_targets_found---------------------

[rushi-sathe]

@rushi-sathe pls check this error -

2026-03-09T18:15:41.2694892Z �[32mINFO: �[0mElapsed time: 6381.767s, Critical Path: 405.80s
2026-03-09T18:15:41.2696409Z �[32mINFO: �[0m13221 processes: 137 internal, 13084 local.
2026-03-09T18:15:41.2697936Z �[32mINFO:�[0m Build completed successfully, 13221 total actions
2026-03-09T18:15:41.2699709Z �[31m�[1mERROR: �[0mNo test targets were found, yet testing was requested
2026-03-09T18:15:41.2701101Z �[0m'
2026-03-09T18:15:41.2702139Z + echo ------------------tensorflow:no_test_targets_found---------------------

@cdeepali This is a known issue. Added an additional condition to handle the “no test targets found” scenario, similar to the method used in the other TensorFlow scripts